Itching of the eyes, also known as ocular pruritus, is a common problem that can be caused by a wide range of factors. Some of the most common causes of eye itching include allergies, dry eye, and eye infections.

Allergies are one of the most common causes of eye itching. When a person is exposed to an allergen, their immune system reacts by releasing histamines, which can cause symptoms such as itching, redness, and swelling of the eyes. Allergic reactions can be triggered by a variety of substances, including pollen, dust, animal dander, and certain foods.

Dry eye is another common cause of eye itching. Dry eye occurs when the eyes do not produce enough tears, or when the tears that are produced are of poor quality. This can cause the eyes to become dry and uncomfortable, leading to symptoms such as itching, burning, and redness. Dry eye is often caused by factors such as aging, certain medications, and certain medical conditions.

Eye infections, such as conjunctivitis, can also cause itching of the eyes. Conjunctivitis, commonly known as pink eye, is an infection of the conjunctiva, the thin layer of tissue that covers the white part of the eye. It is often caused by bacteria or viruses, and it can cause symptoms such as redness, swelling, and itching of the eyes.

In addition to these common causes, eye itching can also be caused by other factors, such as irritants, foreign bodies in the eye, and underlying medical conditions. If a person experiences chronic or severe eye itching, it is important to see a doctor for a proper diagnosis and treatment plan.

Overall, eye itching can be a frustrating and uncomfortable problem, but there are many potential causes and treatment options available. It is important to see a doctor for a proper diagnosis and treatment plan to address the underlying cause of the condition.